CVE-2021-23126 - Vulnerability Details - OpenCVE

Description

An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of the insecure rand() function within the process of generating the 2FA secret.

Published: 2021-03-04

Score: 5.3 Medium

EPSS: 1.1% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Joomla! Project

Joomla! CMS

affected

Version	Status	Constraints
`3.2.0-3.9.24`	affected	—

Configuration 1 [-]

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-10244	An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of the insecure rand() function within the process of generating the 2FA secret.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.0111.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://developer.joomla.org/security-centre/841-20210301-core-insecure-randomness-within-2fa-secret-generation.html

History

No history.

Subscriptions

Joomla Joomla\!

MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2021-03-04T17:37:14.262Z

Updated: 2026-02-25T05:04:24.646Z

Reserved: 2021-01-06T00:00:00.000Z

Link: CVE-2021-23126

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-03-04T18:15:13.207

Modified: 2026-06-17T03:38:18.703

Link: CVE-2021-23126

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-338
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

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